Expanding Neutrophil Horizons: New Concepts in Inflammation

Abstract : Research into neutrophil biology in the last 10 years has uncovered a number of unexpected aspects of this still mysterious innate immune cell. Advances in technology have allowed visualisation of neutrophil trafficking to sites of inflammation, and, remarkably, neutrophils have been observed to depart from the scene in what has been termed reverse migration. There has also been increasing appreciation of the heterogeneity of neutrophils with ongoing categorisation of neutrophil subsets, including myeloid-derived suppressor cells and low-density granulocytes. Newly recognised neutrophil functions include the ability to release novel immune mediators such as extracellular DNA and microvesicles. Finally, studies of neutrophil cell death, both apoptotic and non-apoptotic, have revealed remarkable differences compared to other cell types. This review will highlight important discoveries in these facets of neutrophil biology and how the new findings will inform treatment of diseases where neutrophils are implicated.
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Nathalie Thieblemont, Simon Chatfield, Véronique Witko-Sarsat. Expanding Neutrophil Horizons: New Concepts in Inflammation. Journal of Innate Immunity, Karger, 2018, 10 (5-6), pp.422-431. ⟨10.1159/000493101⟩. ⟨hal-02355675⟩



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